Finding the Third Proportional to 31,534,284 and 67,990,776

Step by Step Solution

1. Step 1: Write the proportion equation
   31,534,284 : 67,990,776 = 67,990,776 : x
2. Step 2: Convert to fraction form
   31,534,284/67,990,776 = 67,990,776/x
3. Step 3: Cross multiply
   31,534,284x = 67,990,776 × 67,990,776
4. Step 4: Simplify right side
   31,534,284x = 4,622,745,621,082,176
5. Step 5: Solve for x
   x = 4,622,745,621,082,176/31,534,284
6. Step 6: Final answer
   x = 146,594,278.82